1400563360 has 144 divisors (see below), whose sum is σ = 4017976704. Its totient is φ = 451842048.

The previous prime is 1400563349. The next prime is 1400563379. The reversal of 1400563360 is 633650041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321517 + ... + 325843.

It is an arithmetic number, because the mean of its divisors is an integer number (27902616).

Almost surely, 2^1400563360 is an apocalyptic number.

1400563360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400563360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008988352).

1400563360 is an abundant number, since it is smaller than the sum of its proper divisors (2617413344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400563360 is a wasteful number, since it uses less digits than its factorization.

1400563360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383 (or 4358 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1400563360 is about 37424.1013252155. The cubic root of 1400563360 is about 1118.8389754355.

The spelling of 1400563360 in words is "one billion, four hundred million, five hundred sixty-three thousand, three hundred sixty".